名词
中文翻译：积木块系统
同义词：
['blockchain', 'distributed ledger', 'smart contract']
例句：
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1. Thebuilding block system is a fundamental concept in computer science.
积木块系统是计算机科学中的一个基本概念。
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2. The blockchain technology is used to secure transactions across different networks.
区块链技术被用来在不同网络间安全地处理交易。
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3.Smart contracts are built on the blockchain, enabling automated and transparent agreements.
智能合约建立在区块链上，实现了自动化和透明的协议。